Daniel C. Dennett, the author of Breaking the Spell; Freedom Evolves; and Darwin’s Dangerous Idea, is University Professor and Austin B. Fletcher Professor of Philosophy, and Co-Director of the Center for Cognitive Studies at Tufts University. He was the co-founder (in 1985) and co-director of the Curricular Software Studio at Tufts, and has helped to design museum exhibits on computers for the Smithsonian Institution, the Museum of Science in Boston, and the Computer Museum in Boston.